Expansible sealing plug for pipelines and the like



FIG. 1 is an isometric view taken from the front and side of an expansible sealing plug for pipelines and the like showing my new design;

FIG. 2 is an isometric view taken from the rear and side thereof;

FIG. 3 is an isometric view taken from the front and side of a modified form of the expansible sealing plug for pipelines and the like shown in FIGS. 1 and 2; and

FIG. 4 is an isometric view taken from the rear and side of FIG. 3; 

The ornamental design for an expansible sealing plug for pipelines and the like, as shown and described. 